Tufts Medical Center-Center for the Evaluation of Value and Risk in Health, Institute for Clinical Research and Health Policy Studies, Boston, MA, USA.; Tufts University School of Medicine, Boston, MA, USA.

Leona M and Harry B Helmsley Charitable Trust, 403518, 230 Park Ave, New York, New York, United States, 10169; dpanzirer@helmsleytrust.org.

The BMJ.

University of Aberdeen, UK (Georgiou), University of Dundee, School of Medicine, UK (Hounat), Edinburgh Medical School, University of Edinburgh, UK (Park), School of Medicine, University of Liverpool, Liverpool, UK (Gillespie), Nuffield Department of Surgical Sciences, University of Oxford, UK (Bandyopadhyay), Department of Psychiatry, Warneford Hospital, University of Oxford, Warneford Lane, Oxford, UK (Saunders).

London.

National Institute of Health Research and Development (NIHRD), Ministry of Health, Jakarta, Indonesia.; Indonesia Research Partnership on Infectious Disease (INA-RESPOND), Jakarta, Indonesia.; Directorate of Surveillance and Health Quarantine, Ministry of Health, Jakarta, Indonesia.

Department of Medicine, McGill University.; McGill International TB Centre.; Infectious Diseases and Immunity in Global Health, MUHC Research Institute.; McGill Interdisciplinary Initiative in Infection and Immunity.; Meakins-Christie Laboratories.

[Li, Li; Gong, Shijin; Yan, Jing] Zhejiang Hosp, Dept Crit Care Med, 12 Lingyin Rd, Hangzhou 310013, Peoples R China

[Duggan, Maria C.] Vanderbilt Univ, Sch Med, Div Geriatr Med, Nashville, TN 37212 USA; [Duggan, Maria C.; Ely, Eugene Wesley] Tennessee Valley Healthcare Syst, Geriatr Res Educ & Clin Ctr GRECC, Dept Vet Affairs, 1310 24th Ave South, Nashville, TN 37212 USA; [Van, Julie; Ely, Eugene Wesley] Vanderbilt Univ, Sch Med, Div Allergy Pulm & Crit Care Med, Nashville, TN 37212 USA; [Van, Julie; Ely, Eugene Wesley] Vanderbilt Univ, Med Ctr, Ctr Hlth Serv Res HSR, 2525 West End Ave,Suite 450, Nashville, TN 37203 USA

[Park, Jung Gil; Kang, Min Kyu] Yeungnam Univ, Coll Med, Dept Internal Med, Daegu, South Korea; [Lee, Yu Rim; Kweon, Young Oh; Tak, Won Young; Jang, Se Young; Park, Soo Young] Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Sch Med, Dept Internal Med, Daegu, South Korea; [Song, Jeong Eun; Lee, Changhyeong; Kim, Byung Seok] Daegu Catholic Univ, Sch Med, Dept Internal Med, Daegu, South Korea; [Kim, Na Young; Hwang, Jae Seok; Jang, Byoung Kuk; Bae, Jinmok; Lee, Ji Yeon; Chung, Woo Jin] Keimyung Univ, Sch Med, Dept Internal Med, Daegu, South Korea; [Suh, Jeong Ill] Dongguk Univ, Gyeongju Hosp, Coll Med, Dept Internal Med, Gyeongju, South Korea